File: tutorial2.cpp

package info (click to toggle)
boost1.90 1.90.0-5
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 593,168 kB
  • sloc: cpp: 4,190,642; xml: 196,648; python: 34,618; ansic: 23,145; asm: 5,468; sh: 3,776; makefile: 1,162; perl: 1,020; sql: 728; ruby: 676; yacc: 478; java: 77; lisp: 24; csh: 6
file content (34 lines) | stat: -rw-r--r-- 1,585 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
// Copyright 2014 Renato Tegon Forti, Antony Polukhin.
// Copyright Antony Polukhin, 2015-2025.
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)

#include "../b2_workarounds.hpp"

//[callplugcpp_tutorial2
#include <boost/dll/import.hpp> // for import_alias
#include <iostream>
#include "../tutorial_common/my_plugin_api.hpp"

namespace dll = boost::dll;

int main(int argc, char* argv[]) {
    /*<-*/ b2_workarounds::argv_to_path_guard guard(argc, argv); /*->*/
    boost::dll::fs::path shared_library_path(argv[1]);                  // argv[1] contains path to directory with our plugin library
    shared_library_path /= "my_plugin_aggregator";

    using pluginapi_create_t = std::shared_ptr<my_plugin_api>();
    auto creator = boost::dll::import_alias<pluginapi_create_t>(        // type of imported symbol must be explicitly specified
        shared_library_path,                                            // path to library
        "create_plugin",                                                // symbol to import
        dll::load_mode::append_decorations                              // do append extensions and prefixes
    );

    std::shared_ptr<my_plugin_api> plugin = creator();
    std::cout << "plugin->calculate(1.5, 1.5) call:  " << plugin->calculate(1.5, 1.5) << std::endl;
    std::cout << "plugin->calculate(1.5, 1.5) second call:  " << plugin->calculate(1.5, 1.5) << std::endl;
    std::cout << "Plugin Name:  " << plugin->name() << std::endl;
}
//]